Most people back the high speed line between London and the Midlands - but only one in ten think it will be completed on time.
Research out today suggests only 20 per cent of people are against the £33 million HS2 project.
An influential group of MPs says the DfT has failed to present 'a convincing strategic case' for HS2.
Campaigners say they hope to put plans for HS2 through the Midlands back to square one as they prepare to go to the High Court tomorrow.
Campaigners from HS2 Action Alliance are heading to London tomorrow to take on the Government at the Court of Appeal.